Category Archives for "Science and Nature"

The Mystery of Europe’s Ancient Underground Tunnels

The Mystery of Europe’s Ancient Underground Tunnels

You might have heard about the ancient tunnels known as Erdstall which stretch across Europe, but their purpose remains unknown (source). Yet, people believe that they served as a network to help our ancestors get away from predators. In other words, these thousands-of-years-old tunnels are believed to have served as a protection to these people. […]

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